Where does “bicuspid” come from?

Bicuspid comes from Latin bis meaning twice combined with Latin cuspis meaning point, ultimately deriving from Proto-Indo-European dwóh₁ meaning two.

bicuspid (English): Having two points or prominences; ending in two...

Definitions

  1. Having two points or prominences; ending in two...

Ancestry of “bicuspid”, step by step

bicuspid traces back through two separate lines of ancestry.

via French bicuspidé

StepLanguageWordMeaning
1Frenchbicuspidébicuspid
2Frenchbi-bi
3Latinbistwice, two times, on two occasions, in two ways
4Latincolorcolour, shade; color; pigment; complexion
5Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
6Ancient Greek-τρονForms instrument nouns
7Proto-Hellenic-tronForms instrument nouns from verb stems
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English cuspid

StepLanguageWordMeaning
1EnglishcuspidA tooth with a single cusp; a canine
2Latincuspispoint, tip; spit; sting
3Proto-Indo-Europeanspey-sharp point, stick

Words derived from “bicuspid

Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον
bicuspid — Etymology, Origin & Word History | Etymology Explorer